Carbon Monoxide Headquarters
Other Nasty gases, Dr. D. Penney



Carbon Monoxide



Table 1. Some Indoor Pollutants and their Levels.

Pollutant
Concentration
Location / Condition
Carbon Monoxide
2.04 +/- 2.55 ppm
U.S. homes
Carbon Monoxide
2.5 - 28 ppm
Offices, restaurants, bars, arenas
Carbon Monoxide
3.1 - 7.8 ppm
Home kitchens with gas stoves
Carbon Monoxide
1 - 5 ppm
Median outdoor conc. in cities, 1979
Carbon Monoxide
0 - 3 -27 ppm
Max. 1 hr. average outdoor conc.
Carbon Monoxide
0 - 3 - 22 ppm
Max. 1 hr. average indoor conc.
Carbon Monoxide
20 ppm
Room polluted with cigarette smoke
Carbon Dioxide
860 ppm
Lecture Hall
Carbon Dioxide
600 - 2500 ppm
School room
Carbon Dioxide
9000 ppm
Nuclear submarines
Hydrogen Cyanide
56 ppb
Room polluted with cigarette smoke
Nitric Oxide
1.05 ppm
Room polluted with cigarette smoke
Nitrogen Dioxide
5 - 110 ppb
U.S. homes with gas stoves
Nitrogen Dioxide
5 - 317 ppb
English homes with gas cookers
Nitrogen Dioxide
20 - 66 ppb
Median outdoor conc. in cities, 1979
Nitrogen Dioxide
25 - 177 ppb
Homes, 48 hr. average
Nitrogen Dioxide
200 ppb
Room polluted with cigarette smoke
Ozone
2 - 68 ppb
Photocopying room
Ozone
2 - 18 ppb
Homes with electrostatic aircleaner
Ozone
7 - 60 ppb
Median outdoor conc. in cities, 1979
Ozone
0 - 700 ppb
Using an electronic air cleaner
Sulfur Dioxide
8 - 37 ppb
Yearly averages in Chicago & NY
Methane
2 ppm
Atmospheric air



...... last changed 01/22/01



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